Cable connector



Apr. 24, 1923.

W. E; CAMP CABLE CONNECTOR Filed May 1 1920 INVENTOR. Manon/Ev PatentedApr. 24, 192.

WILLIAM a. carer, or cannon, onio.

lASMlCil canrin oonnncron.

Application filed May 1, 1920. Serial No. 378,240.

To all whom it may concern:

Be it known that I, VVinLmrr Curr, a citizen of the United States,residing at Canton, in the county of Stark and State of Ohio. haveinvented certain new and useful Improvements in Cable Connectors, ofwhich the following is a specification. I

This invention relates to cable connectors and in particular toconnecting devices for securing adjacent ends of electrical wires orcables.

One object of the invention is toprovide a connector in which wires orcables of any size capable of entering theconnector openings may be.held as securely as if the wires were manufactured to fit the particularsize of opening. The invention is also directed to providing aremarkably secure fastening device which will resist considerable pullfrom either or both of the two wire or cable members secured therein.

One of the features of the invention resides in the fact that theclamping members extend completely across and completely fill the boreof the device at those points opposite the openings in which theclamping members are inserted. Another feature which makes it possibleto securely hold any size of cable or wire, regardless of the smalldimensions, thereof, is the construction of the interior of the mainbore of the connector. This last feature includes a cutting away andthe. formation of recesses on either side of the central point of thewall of the bore of the device opposite the opening which receives thealarming member. These recesses permit the right angle shoulders of theclamping member to extend into them and allow the central portion of theclamping member to reach the wall of the bore. Another feature ofadvantage which resides in the construction provided by the recesses isthe fact that when a cable comprising a plurality of strands. or'a cablesubstantially filling the bore of the connector. isinserted and clamped,the pressure of the clamping member will so distort the cable thatportions thereof opposite the recesses will be forced into the recessesand thus securely lock the cable therein and prevent -endwi-se movementof the same.

Details of the device will be understood from the followingspecification and claims, and are illustrated in the accompanyingdrawings, in which Fig. 1 represents atop plan view of the in Fig. 3,but with the screw threaded clamping member removed.

Referring in detail to the drawings, 1 is the mainbody member of theconnecting device, and which is preferably made of substantial metal andwhich should be formed of ood conducting material in event the*-'-device is to be used in electrical work. 2 represents the main bore ofthe connector, and which is adapted to receive cables or wires into eachend thereof. ,As shown the bore 2 extends completely through the block fl, but it is not necessary that the bore'be carried to the opposite endif the device is to be used in electrical work, since the conductivityof the metalof the connector may be satisfactory. Extending at rightangles into the main body 1 are the screw threaded clamping members 3fitted into the screw threaded receiving openings t. The inventionrequires that the diameter of the clamping screws 3 shall be at least asgreat as the bore of the opening 2 and that these screw threaded members3 shall be capable of extending toithe opposite wall of the bore. Thisis only possible by the formation of the interior of the bore 2, whichis provided with recesses 5 for the reception of the inner end of theclamping members 3. The recesses 5 are preferably formed by continuingthe bore of the receiving openings 4 to the opposite side'of the mainbore 2 and cutting away the recesses. It is then possible for theextreme inner end of the clamping members 3 to project into therecesses.

This construction makes it possible for a small wire to be held assecurely as a large one and without the possibility of slipping frombeneath the inner end of the clamping member as is the case wherethismember has an inner end smaller than the bore of the opening in whichthe wire or cable is inserted. The construction also provides that theclamping member may extend to the opposite wall of the bore and cantherefore securely hold any wire regardless of the small size thereof.The recesses 5 enable the Fries represents a cross-section taken onlllll clamping member 3 to force the material of the cable or wire intothe recesses and thus to assist in preventing endwise movement.

The construction of this cable connection has proved to be of remarkableadvantage in electrical work. The invention includes such changes as maybe desirable in the shape of the heads or outer ends of the clampingscrews 3 and these may be formed as bolt heads, if desirable. Likewisethe inner end of the clamping members 3 may be concave to be ofassistance in gripping the metal of the wire or cable to be held.

What I claim is:

1. A cable connector comprising a block member having a main openingextending therethrongh and a plurality of screw threaded openingsatrright angles to said main opening, and a screw threaded clam ingmember in each of said screw threaded openings having a diameter atleast as great as the diameter of said main opening and extendingcompletely to the side wall of said main opening opposite said rightangle openings.

2. A cable connector coprising a block member having a main openingextending therethrongh and a plurality oi? screw threaded openings atright angles to said main opening, the wall of said main opening beingcut away on either side of the central point opposite said screwthreaded openings, and a screw threaded clamping member for each otsaidscrewthreaded openings having a diameter at least as great as thediameter 0t said main opening and having a clamping end adapted toeXtend to the opposite wall of said main opening and to have its lateralend portions rest 111 i the openings cut away on either side 01'' thecentral point opposite said screw threaded openings.

3.' In a cable connector comprising a block member having a main openingextending therethrongh and a plurality of screw threaded openings atright angles to said main opening, a screw threaded clamping member foreach of said screw threaded openings and each adapted to extend to thewall of said main opening opposite said screw threaded openings, thewall of said main opening being cut away on either side of the centralpoint opposite said screw threaded openings tor the reception of the endof said screw threaded clamping members.

1-. A cable connector comprising a block member having a main openingextending therethrongh and a plurality of screw threaded openings atright angles to said main opening. the wall of said main opening beingcut away on either side of the central point opposite said screwthreaded openings, and a screw threaded clamping member tor each ofscrew threaded openings having a clamping end adapted to engage a memberinserted in said main opening and to firmly hold the same and to forceportions of the member so inserted laterally into the openings cut awayin the wall of said. main opening.

In testimony whereof I atiiX my sig- VVILLIAM E. CAMP nature.

